RsaCracker

RsaCracker is a robust tool designed for breaking RSA encryption, particularly beneficial in Capture The Flag (CTF) competitions. It supports a variety of formats including RSA, X509, and OPENSSH, enabling users to recover private keys and decipher messages through a comprehensive suite of targeted attacks and heuristics. Notable features include support for both PEM and DER formats, a flexible command-line interface, and advanced functionalities for multi-key attacks and various cryptographic operations.